1728922140

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{373}}^1\times {\mathrm{2341}}^1$

素因数の和:2740

約数の個数: 144

約数和(自身を含む): 5738949216

約数和(自身を除く): 4010027076

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 11, 12, 15, 18, 20, 22, 30, 33, 36, 44, 45, 55, 60, 66, 90, 99, 110, 132, 165, 180, 198, 220, 330, 373, 396, 495, 660, 746, 990, 1119, 1492, 1865, 1980, 2238, 2341, 3357, 3730, 4103, 4476, 4682, 5595, 6714, 7023, 7460, 8206, 9364, 11190, 11705, 12309, 13428, 14046, 16412, 16785, 20515, 21069, 22380, 23410, 24618, 25751, 28092, 33570, 35115, 36927, 41030, 42138, 46820, 49236, 51502, 61545, 67140, 70230, 73854, 77253, 82060, 84276, 103004, 105345, 123090, 128755, 140460, 147708, 154506, 184635, 210690, 231759, 246180, 257510, 309012, 369270, 386265, 421380, 463518, 515020, 738540, 772530, 873193, 927036, 1158795, 1545060, 1746386, 2317590, 2619579, 3492772, 4365965, 4635180, 5239158, 7858737, 8731930, 9605123, 10478316, 13097895, 15717474, 17463860, 19210246, 26195790, 28815369, 31434948, 38420492, 39293685, 48025615, 52391580, 57630738, 78587370, 86446107, 96051230, 115261476, 144076845, 157174740, 172892214, 192102460, 288153690, 345784428, 432230535, 576307380, 864461070, 1728922140]

約数ペア:

[(1, 1728922140), (2, 864461070), (3, 576307380), (4, 432230535), (5, 345784428), (6, 288153690), (9, 192102460), (10, 172892214), (11, 157174740), (12, 144076845), (15, 115261476), (18, 96051230), (20, 86446107), (22, 78587370), (30, 57630738), (33, 52391580), (36, 48025615), (44, 39293685), (45, 38420492), (55, 31434948), (60, 28815369), (66, 26195790), (90, 19210246), (99, 17463860), (110, 15717474), (132, 13097895), (165, 10478316), (180, 9605123), (198, 8731930), (220, 7858737), (330, 5239158), (373, 4635180), (396, 4365965), (495, 3492772), (660, 2619579), (746, 2317590), (990, 1746386), (1119, 1545060), (1492, 1158795), (1865, 927036), (1980, 873193), (2238, 772530), (2341, 738540), (3357, 515020), (3730, 463518), (4103, 421380), (4476, 386265), (4682, 369270), (5595, 309012), (6714, 257510), (7023, 246180), (7460, 231759), (8206, 210690), (9364, 184635), (11190, 154506), (11705, 147708), (12309, 140460), (13428, 128755), (14046, 123090), (16412, 105345), (16785, 103004), (20515, 84276), (21069, 82060), (22380, 77253), (23410, 73854), (24618, 70230), (25751, 67140), (28092, 61545), (33570, 51502), (35115, 49236), (36927, 46820), (41030, 42138)]